com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception: ** BEGIN NESTED EXCEPTION ** java.io. EOFException STACKTRACE: java.io.EOFException at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1905) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2351) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2862) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1571) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1666) at com.mysql.jdbc.Connection.execSQL(Connection.java:2988) at com.mysql.jdbc.Connection.execSQL(Connection.java:2917) at com.mysql.jdbc.Statement.executeQuery(Statement.java:824)

Oracle Community | 807581 | 1 decade ago
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    Problem with connection to PostgreSQL 8 database

    Oracle Community | 1 decade ago | 807581
    com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception: ** BEGIN NESTED EXCEPTION ** java.io. EOFException STACKTRACE: java.io.EOFException at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1905) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2351) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2862) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1571) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1666) at com.mysql.jdbc.Connection.execSQL(Connection.java:2988) at com.mysql.jdbc.Connection.execSQL(Connection.java:2917) at com.mysql.jdbc.Statement.executeQuery(Statement.java:824)

    Root Cause Analysis

    1. com.mysql.jdbc.CommunicationsException

      Communications link failure due to underlying exception: ** BEGIN NESTED EXCEPTION ** java.io. EOFException STACKTRACE: java.io.EOFException at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1905) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2351) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2862) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1571) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1666) at com.mysql.jdbc.Connection.execSQL(Connection.java:2988) at com.mysql.jdbc.Connection.execSQL(Connection.java:2917) at com.mysql.jdbc.Statement.executeQuery(Statement.java:824)

      at Brokers.ClientBroker.getClientString()
    2. Brokers
      ClientBroker.getClientString
      1. Brokers.ClientBroker.getClientString(ClientBroker.java:16)
      1 frame
    3. Unknown
      SignIn.doPost
      1. SignIn.doPost(SignIn.java:43)
      1 frame
    4. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:165)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:103)
      2 frames
    5. com.caucho.server
      TcpConnection.run
      1. com.caucho.server.http.FilterChainServlet.doFilter(FilterChainServlet.java:96)
      2. com.caucho.server.http.Invocation.service(Invocation.java:315)
      3. com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:135)
      4. com.caucho.server.http.RunnerRequest.handleRequest(RunnerRequest.java:346)
      5. com.caucho.server.http.RunnerRequest.handleConnection(RunnerRequest.java:274)
      6. com.caucho.server.TcpConnection.run(TcpConnection.java:139)
      6 frames
    6. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:534)
      1 frame